0-60 _____0 ___ 2F ____0 _____0
60-75 _____0 ___ 60+F__0 _____0
75- inf. ___60___ 135 ___6 _____(F-135)/?
- Akash Anand Wrong ..try to answer it one row at a time.Upvote·0· Reply ·2013-07-16 07:11:28
0-60 _____0 ___ 2F ____0 _____0
60-75 _____0 ___ 60+F__0 _____0
75- inf. ___60___ 135 ___6 _____(F-135)/?
1st row
0-50 F F 0 0
2nd row
50-60 50 50 F-5010 0
3rd row
60-∞ 60 50 F-6010 .66
1st row
0-50 ..... F ..... F ..... 0 ..... 0
2nd row
50-60 ..... F ..... 50 ..... F-5025 ..... F-5025
3rd row
60-∞ ..... 60 ..... 50 ..... F-6010 ..... 2/3
1st row
0-50......F......F......0......0
50-60.....F......50......0......F-5015
60-∞.....60......50......F-6010......2/3
Making and F.B.D, taking both the blocks as a system, solves the problem